6.28liter                                    

400 cranks are suitable for converting into 383 stroker- so if you have a 350 chev that you are about to rebuild .

DESCRIPTION
STROKE
ROD JOURNAL
MAINS
CHEV 350 2 PC 3.500 2.100 350
CHEV 383 1 PC  3.750 2.100 350
CHEV 400 2 PC 3.750 2.100 400
DESCRIPTION

Stroke

Rod Journals

Mains

Wt.

Chevy 350 3.48" 2.100" 350 57 lbs.
Chevy 350A 3.50" 2.100" 350 57 lbs.
Chevy 400 3.75" 2.100" 400 57 lbs.
Chevy 383 3.75" 2.100" 350 57 lbs.

torque, a 383 is probably the best choice. A 383 is a 350 that's been bored .030 over and uses a 400 crank and 350 connecting rods. A 383 is superior to a 400 because the bore of the 400 is too large. There's no space left
between the cylinders for water jackets so cooling is compromised.

 

 

This chart has been designed to assist you with your ring choice for KB Performance Pistons. It does not supply all ring types or size possibilities. Also, not all manufacturers supply the same style rings. Our primary effort has been to supply you with a quick reference which will assist you in your ring choice. It is important to understand that this chart is reference only, and exact information should be attained from the appropriate manufacturer. While every effort has been made to verify these ring part numbers,  not responsible for the obsolescence or superseding of any of the following part numbers.

           

PART
NO.
DIV. C.I.D.

 

HEAD


TYPE

ROD


LENGTH

RING


PACK

HASTINGS

 

SPEED


PRO

TOTAL


SEAL

CHILDS

 &


ALBERT

  KB209 Chev V8-350 .150 Popup 6.0 2-1/16 1-3/16 2M5523 R-9902 3690 RS9902
  KB213 Chev V8-350 .388 Popup 5.7 2-5/64 1-3/16 2M139 R-9903 9090 RS2510
  KB213 Chev V8-383 .388 Popup 5.565 2-5/64 1-3/16 2M139 R-9903 9090 RS2510
  KB214 Chev V8-350 .388 Popup 5.7 2-1/16 1-3/16 2M5523 R-9902 3690 RS9902
  KB214 Chev V8-383 .388 Popup 5.565 2-1/16 1-3/16 2M5523 R-9902 3690 RS9902
  KB226 Chev V8-305 Flat Top 5.7 2-5/64 1-3/16 2M5499 R-10474 9945  
  KB228 Chev V8-350 Flat Top 5.7 2-5/64 1-3/16 2M139 R-9903 9090 RS2510
  KB228 Chev V8-383 Flat Top 5.565 2-5/64 1-3/16 2M139 R-9903 9090 RS2510
  KB229 Chev V8-305 Flat Top 5.7 2-5/64 1-3/16 2M5499 R-10474 9945  
  KB231 Chev V8-350 Flat Top 5.7 2-1/16 1-3/16 2M5523 R-9902 3690 RS9902
  KB231 Chev V8-383 Flat Top 5.565 2-1/16 1-3/16 2M5523 R-9902 3690 RS9902
  KB235 Chev V8-350 Flat Top 6.0 2-1/16 1-3/16 2M5523 R-9902 3690 RS9902
  KB252 Chev V8-350 Pop Up 5.7 2-5/64 1-3/16 2M5508
2M139
R-9903 9090
RS2510
 
  KB253 Chev V8-383 Flat Top 5.7 2-1/16 1-3/16 2M5523 R-9902 3690 RS9902
  KB260 Chevy V8-350 Flat Top 6.0 2-1/16 1-3/16 2M5523 R-9902 3690 RS9902
  KB283 Chev V8-350 Flat Top 6.2 2-1/16 1-3/16 2M5523 R-9902 3690 RS9902
  KB301 Chev V8-383 .388 Pop Up 5.7 2-1/16 1-3/16 2M5523 R-9902 3690 RS9902
  KB302 Chev V8-383 .388 Pop Up 6.0 2-1/16 1-3/16 2M5523 R-9902 3690 RS9902
  KB308 Chev V8-383 Pop Up 5.7 2-5/64 1-3/16 2M5508
2M139
R-9903 9090 RS2510

You need a 350 block to start off with. You should take the block to a machine shop and have them dip it, machine it (make sure to tell them you plan to make a stroker out of it so they can machine the crank journals) 383 is a 350 bored .030 with a 3.75"crank (a crank with the same stroke as a 400 small block). A stock 350 has a 4" bore (4.000) and 3.48" stroke, while a 400 has a 4.125" bore; a 383 has a bore of 4.030 and stroke of 3.75". You can build any variation of strokers by changing the bore diameter. You can use a 400 Crank, but it will need to be machined for the 350 block.

 

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